Afterbirth is the delivery of the placenta following the delivery of the infant.

Birth control methods are devices, medications or behavior patterns to reduce the probability of pregnancy.

Placenta the organ in most mammals, formed in the lining of the uterus by the union of the uterine mucous membrane with the membranes of the fetus, that provides for the nourishment of the fetus and the elimination of its waste products.

Complications may cause a miscarriage or spontaneous abortion to occur.

Legal meanings

Birthday is a day to celebrate that the person has lived a certain number of years. It is an annual event based either on the anniversary of a person's date of birth, or on astrological birthtime calculations.